linux-kernel - Re: [PATCH 05/32] dmaengine: ste_dma40: Supply macros to resolve 'src' and 'dst' directions

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Message-ID: <20130424085358.GJ17416@gmail.com>
Date:	Wed, 24 Apr 2013 09:53:58 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arnd@...db.de, linus.walleij@...ricsson.com,
	Dan Williams <djbw@...com>,
	Per Forlin <per.forlin@...ricsson.com>,
	Rabin Vincent <rabin@....in>
Subject: Re: [PATCH 05/32] dmaengine: ste_dma40: Supply macros to resolve
 'src' and 'dst' directions

On Mon, 22 Apr 2013, Lee Jones wrote:

> On Mon, 22 Apr 2013, Vinod Koul wrote:
> 
> > On Thu, Apr 18, 2013 at 11:11:47AM +0100, Lee Jones wrote:
> > > There are lots of lengthy if() statements located sporadically up and
> > > down the driver. This simple macro should make many of them a little
> > > simpler to decipher. The remainder have to stay in place, as they
> > > detail slightly more specific settings.
> > I would like these to be DMAENGINE_IS_SRC...
> 
> I don't understand, as they're DMA40 specific?
> 
> > and this patch use the defines provided in dmaengine
> 
> I think a subsequent patch doing he following would be more suitable:
> 
> s/STEDMA40_MEM_TO_MEM/DMA_MEM_TO_MEM/
> s/STEDMA40_MEM_TO_PERIPH/DMA_MEM_TO_DEV/
> s/STEDMA40_PERIPH_TO_MEM/DMA_DEV_TO_MEM/
> s/STEDMA40_PERIPH_TO_PERIPH/DMA_DEV_TO_DEV/
> 
> If you don't mind?

Are you happy to Ack this one too if I follow up with a subsequent
patch converting all STEDMA direction defines over to the generic DMA
ones? There are also quite a lot in platform data that I'd like to
convert too.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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